Home / 103,445.58-155,236.41-56,731.26

Finding the Fourth Proportional to 103,445.58, 155,236.41 and 56,731.26

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Solution

The fourth proportional to 103,445.58, 155,236.41 and 56,731.26 is: 85,134.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,445.58 : 155,236.41 = 56,731.26 : x
  2. Step 2: Convert to fraction form
    103,445.58/155,236.41 = 56,731.26/x
  3. Step 3: Cross multiply
    103,445.58x = 155,236.41 × 56,731.26
  4. Step 4: Simplify right side
    103,445.58x = 8,806,757,137.18
  5. Step 5: Solve for x
    x = 8,806,757,137.18/103,445.58
  6. Step 6: Final answer
    x = 85,134.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.